Question

A microwave oven connected across a potential difference of 122 V has a resistance of 49 Ω . What is the current in the microwave oven? Answer in units of A. 

Answer 1

Potential difference, $V=122\space V$

Resistance of oven, $R=49\space\Omega$

Let current through oven be $I$

According to ohm's law,

$V=IR$

$I=\dfrac{V}{R}=\dfrac{122}{49}$

$I=2.49\space A$